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344073 (1997 CD16)
Classification: Main-belt Asteroid          SPK-ID: 2344073
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598093691471521 5.3985e-08  
a 3.123297529885489 3.2353e-08 au
q 2.624165321975631 1.7019e-07 au
i 17.91564824756586 4.5403e-06 deg
node 149.1007451026918 2.0257e-05 deg
peri 298.4448272826567 2.657e-05 deg
M 127.9138596492742 1.9025e-05 deg
tp 2458284.136307854007
(2018-Jun-14.63630785)
0.00010044 TDB
period 2016.129681956795
5.52
3.1326e-05
8.577e-08
d
yr
n .1785599424589567 2.7744e-09 deg/d
Q 3.622429737795347 3.7523e-08 au
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      8529 days (23.35 yr)  
   first obs. used      1997-02-06  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:03:28  

Additional Information
 Earth MOID = 1.692 au 
 Jupiter MOID = 1.68866 au 
 T_jup = 3.121 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457895.5 (2017-May-22.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1604785175122368 5.3932e-08  
q 2.623489412552184 1.7026e-07 au
tp 2458284.986095126017
(2018-Jun-15.48609513)
0.00010015 TDB
node 149.1141613050907 2.0258e-05 deg
peri 298.5999289255976 2.6535e-05 deg
i 17.91369337206556 4.5398e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      218  
   data-arc span      8529 days (23.35 yr)  
   first obs. used      1997-02-06  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59134  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:03:28  

Additional Information
 Jupiter MOID = 1.68866 au 
 T_jup = 3.121 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.908667323738662E-15 -9.064207801379283E-15 -1.083219334810392E-12 -6.655289879978881E-15 -2.848873161285142E-13 4.542398157165685E-15
q -9.064207801379283E-15 2.89875187556092E-14 4.766070394602532E-12 2.356621219120004E-14 1.096156869861609E-12 -1.350664981962838E-14
tp -1.083219334810392E-12 4.766070394602532E-12 1.002920351702434E-8 -6.126847405443466E-12 1.77640877794165E-9 -7.598510882553932E-12
node -6.655289879978881E-15 2.356621219120004E-14 -6.126847405443466E-12 4.103959670913405E-10 -3.91141763069877E-10 5.438678039649737E-12
peri -2.848873161285142E-13 1.096156869861609E-12 1.77640877794165E-9 -3.91141763069877E-10 7.041071413320157E-10 -6.703167281471799E-12
i 4.542398157165685E-15 -1.350664981962838E-14 -7.598510882553932E-12 5.438678039649737E-12 -6.703167281471799E-12 2.060983370070987E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO471576  

344073 (1997 CD16)          Discovered 1997-Feb-06 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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Alternate Designations
 1997 CD16 = 2008 CW209 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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